144220446289 has 8 divisors (see below), whose sum is σ = 144508468032. Its totient is φ = 143932538640.

The previous prime is 144220446283. The next prime is 144220446299. The reversal of 144220446289 is 982644022441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144220446289 - 2¹⁵ = 144220413521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144220446283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2774044 + ... + 2825554.

It is an arithmetic number, because the mean of its divisors is an integer number (18063558504).

Almost surely, 2^144220446289 is an apocalyptic number.

It is an amenable number.

144220446289 is a deficient number, since it is larger than the sum of its proper divisors (288021743).

144220446289 is an equidigital number, since it uses as much as digits as its factorization.

144220446289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57047.

The product of its (nonzero) digits is 884736, while the sum is 46.

The spelling of 144220446289 in words is "one hundred forty-four billion, two hundred twenty million, four hundred forty-six thousand, two hundred eighty-nine".